| Davis Cup | 2018/04/07 12:35 | Samneang Long v Ammar Alhaqbani | 1-6,2-6 |
| Davis Cup | 2018/04/05 12:30 | Samneang Long v Matthew Stubbings | 6-4,6-0 |
| Davis Cup | 2018/04/04 11:00 | Nam Hoang Ly v Samneang Long | 6-1,6-1 |
| ITF Singapore F1 | 2017/06/04 04:00 | Jorge Blanco Guadalupe v Samneang Long | 6-0,6-0 |
| Davis Cup | 2017/04/08 07:00 | Samneang Long v Mohammed Al Nabhani | 3-6,6-2,6-4 |
| Davis Cup | 2017/04/07 08:10 | Samneang Long v Saud Alhaqbani | 6-1,6-0 |
| Davis Cup | 2017/04/05 07:00 | Samneang Long v Hasan Abdulnabi | 6-4,6-7,6-2 |
| Davis Cup | 2017/04/03 08:40 | Samneang Long v Aung Kyaw Naing | 4-6,6-3,6-2 |